/*
    二维数组练习
*/
#include <stdio.h>
int main() {
    // int arr[3][2] = {1,2,3,4,5,6};
    //int arr[3][2] = {{1,2},{3,4},{5,6}};
    //int arr[3][2] = {{1},{4}{5,6}};
    //int arr[3][2] = {1,4,5,6};
    int arr[][2] = {1,2,3,4,5,6};
    int row = 0, col = 0;
    for (row = 0; row <= 2; row++){
	for (col = 0; col <= 1; col++) {
	    printf("%d ", arr[row][col] );
 	} 
 	printf("\n");
    }
    return 0;
}
